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This Cisco IOS
® Software Special Release is a short-lived release and will migrate into the fifth release of the Cisco IOS Software Release 12.4T train. 12.4(4)XD will no longer be orderable and no longer be configurable in the Dynamic Configuration Tool (DCT)
https://tools.cisco.com/qtc/config/jsp/configureHome.jsp (Cisco.com login is required) as of December 28, 2007.

Product Overview

This product bulletin provides content and delivery information for Cisco IOS Software Special Release 12.4(4)XD. It should be used in conjunction with the release notes for Cisco IOS Software Release 12.4T
http://www.cisco.com/en/US/products/ps6441/prod_release_notes_list.html, because 12.4(4)T is the parent release of 12.4(4)XD. Cisco IOS Software Special Release 12.4(4)XD supports Cisco
® 7200 VXR Series Routers with NPE-G2.

Following are detailed descriptions of the new features supported in Cisco IOS Software Special Release 12.4(4)XD.

Cisco7201 Series Router

• Part number: CISCO7201.

• Integrated NPE-G2.

• Compact, power-efficient 1-RU chassis.

• Cisco IOS Software Release support:

– Minimum Cisco IOS Software Release: Release 12.4(4)XD, specifically 12.4(4)XD7, which is based on 12.4(4)T (Note: This is a short-lived release, and customers should be prepared to migrate to 12.4(fifth release)T.)

– 12.4(sixth release)T: in future

– 12.5 Mainline: in future

– 12.2SB: in future

• Provides double the performance compared to the Cisco 7301 or Cisco 7200 VXR Series with NPE-G1 Network Processing Engine: up to 2 million packets per second (pps) in Cisco Express Forwarding.

• Offers 1 GB of DRAM memory by default; after first customer shipment (FCS), the option will be offered to upgrade to 2 GB of DRAM.

• Eliminates the requirement for an I/O controller.

• Extends the use of the available I/O slot for a single port adapter or a Cisco 7200 VXR Series VPN Services Adapter (VSA).

• Offers greatly improved price-performance ratio.

• Provides investment protection through backward compatibility. Most port and service adapters are supported on the Cisco 7200 VXR Series NPE-G2 Network Processing Engine with the exception of a few end-of-sale components:

– Minimum Cisco IOS Software Release: 12.4(4)XD, which is based on 12.4(4)T (Note: This is a short-lived release, and customers should be prepared to migrate to 12.4(fifth release)T.)

– First rebuild of 12.4(6)T: the first rebuild of the third release of 12.4T

– 12.4(7) Mainline: the fourth release of 12.4 Mainline (Note: The combination of the Cisco 7200 VXR Series NPE-G1 Network Processing Engine with the Port Adapter Jacket Card is not supported in the 12.4(4)XD.)

• Provides one additional slot for single port/service adapters:

– SA-VAM2, SA-VAM2+, PA-POS-2OC3, PA-MC-2T3+, and PA-MC-STM1

– Note: SAM-VAM2 is only supported with the Port Adapter Jacket Card in combination with the NPE-G1

• Provides a cost-effective way to increase the slot density in parallel to the increased switching capacity of the platform's newest engine, the Cisco 7200 VXR Series NPE-G2 Network Processing Engine.

Upgrade Paths

Cisco IOS Software Special Release 12.4(4)XD is a short lived release. It is based on the second release of 12.4T: Release 12.4(4)T. It will migrate into the fifth release of 12.4T. Customers should be prepared to migrate to the fifth release of 12.4T when it is available.